Agent USA
Platform: Atari 800
Region: USA
Media: Disk (atx)
Controller: Joystick
Genre: Adventure - Puzzle
Gametype: Licensed
Release Year: 1984
Developer: Tom Snyder Productions, Inc.
Publisher: Scholastic Wizware
Players: 1
Programmer: Omar Khudari, Tom Snyder
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Agent USA is a geography enhancement game that centers around a character that travels by train to different U.S. cities. The object of the game is to travel by train and find the "FuzzBomb" which turns ordinary people into "FuzzBodies". You plant crystals which regenerate into newer crystals, and when you build up 100 of them and touch the FuzzBomb, the nation is saved!

http://www.mobygames.com/game/atari-8-bit/agent-usa

